Home / 39,290.94-58,945.32-12,995.64

Finding the Fourth Proportional to 39,290.94, 58,945.32 and 12,995.64

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Solution

The fourth proportional to 39,290.94, 58,945.32 and 12,995.64 is: 19,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.94 : 58,945.32 = 12,995.64 : x
  2. Step 2: Convert to fraction form
    39,290.94/58,945.32 = 12,995.64/x
  3. Step 3: Cross multiply
    39,290.94x = 58,945.32 × 12,995.64
  4. Step 4: Simplify right side
    39,290.94x = 766,032,158.40
  5. Step 5: Solve for x
    x = 766,032,158.40/39,290.94
  6. Step 6: Final answer
    x = 19,496.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.